folio
1. [ noun ] (mathematics) the system of numbering pages
Synonyms: page_number paging pagination
Related terms: number page
2. [ noun ] (writing) a book (or manuscript) consisting of large sheets of paper folded in the middle to make two leaves or four pages
Examples:

"the first folio of Shakespeare's plays"

Related terms: book
3. [ noun ] (printing) a sheet of any written or printed material (especially in a manuscript or book)
Synonyms: leaf
Related terms: sheet page flyleaf interleaf written_communication
Similar spelling:   follow
  fowl
  foul
  fool
  foil
  foal
  Fowle
  folly
  folie
  foully